水平地震作用的最敏感方向垂直桥的轴线。
The direction which is the most susceptible to horizontal earthquake action is perpendicular to the bridge axis.
水平地震作用效应分析；
水平地震作用计算；
在水平地震作用下，错层区域结构受力变得非常复杂。
Under the earthquake function, the district of staggered floor is become complicated.
内力组合主要是水平地震作用、恒荷载作用、活荷载作用之间的组合。
The internal forces composition mainly is the composition of horizontal earthquake forces, constant load and live load.
再按刚度分配原则，可求出实际结构不形成机构体系可能承受的最大水平地震作用。
The maximum bearing horizontal seismic actions of a structure that mechanism system is not formed are calculated based on principle of stiffness distribution for a structure.
且考虑了屋面活载不均匀效应、雪压堆积效应和水平地震作用的影响，荷载组合复杂。
The load combination is complex with consideration of the effect of asymmetry distribution of live load, snow accumulation and horizontal seismic load.
再根据刚度分配原则，可计算出整个结构不形成机动体系所能承担的最大水平地震作用。
The maximum horizonta1 seismic actions of a structure in which any of mechanism system is not formed can be further ca1culated based on principle of stiffness distribution.
通过大型的模型试验，研究了以红砂岩为填料在水平地震作用下加筋格宾挡土墙的动力特性。
Large model tests are conducted on reinforced gabion walls filled with red sandstone under horizontal seismic loading to investigate the dynamic response of walls.
运用ANSYS分析了直桩桩顶铰接和直桩桩顶固接桩基码头在水平地震作用下的动力反应。
The concrete work of herein is as follows:1. Using ANSYS analyze the reaction of pile-wharf with knuckle in straight pile and usually pile-wharf in horizontal earthquake.
基于对框架剪力墙体系的认识，分析了上部框架-下部框架剪力墙结构在水平地震作用下的变形。
The structure is divided into the upper frame structure and the lower frame-shear wall structure under the lateral earthquake action.
结合两个工程实例，分别按弹性正交异性楼板、刚性楼板两种假定对整体结构进行水平地震作用分析。
Two practical tall steel buildings have been analyzed under the action of horizontal earthquakes with the orthotropic shell element hypothesis and the rigid floor hypothesis, respectively.
研究表明：框架结构采用橡胶垫隔震支座时具有明显的隔震效果，它能大大减轻结构的水平地震作用。
The research results illustrate that frame structure with basement isolation can reduce the horizontal earthquake response of superstructure effectively compared with traditional technique.
数值分析结果表明：在水平地震作用下，地震波频率与边坡的第二阶固有频率一致时，才会发生共振。
Numerical results show that under the influence of horizontal seismic action, resonance will occur when the seismic wave frequency is identical to the second-order natural frequency of slope.
平面L形高层建筑结构的刚度中心与质量中心偏离较大，在水平地震作用下平移振动与扭转振动扭耦合。
Torsional and lateral vibration of a high-rise building with L shape plan under earthquake will couple because of large distance between center of stiffness and center of mass.
考虑到在水平地震作用下短圆柱形容器的变形，剪切效应起主导作用，因而可用剪切梁变形理论来近似地代替。
Considering the deformation of short cylindrical tank under the horizontal earthquake action, the shear effect is the main factor, therefore, it might be anal zed by shear beam deformation theory.
指出在罕遇水平地震作用下，板柱节点发生冲切破坏后，板柱结构的变形呈现弯曲型，并通过算例进行了验证。
It is pointed out and verified by an example that the deformation of flat plate structures is flexural after punching failure of slab-column connection happened under severe earthquakes.
本文为水平地震作用下钢筋混凝土剪力墙结构的优化设计提供了一种方法，对工程技术人员亦有一定的参考价值。
This paper provides a method for reinforced concrete shear wall structure optimization design under horizontal earthquake, and for engineering and technical personnel some degree of reference value.
本文利用ANSYS有限元软件，对水平地震作用下考虑和不考虑土和结构相互作用的高层建筑进行弹塑性对比分析。
The model was established by using the ANSYS finite element analysis software, and the alternation regularity between anodic resistance and its numbers of days was researched.
文章在吸收借鉴最新隔震理论成果的基础上，针对常用的软垫式隔震系统推出了水平地震作用下的隔震结构相对位移控制条件。
On the basis of researching result of predecessor, this paper has deduced relative displacement controlling condition of isolating-quake structure for cushion isolating-quake system.
本文根据变分原理，利用有限单元法分析在水平地震运动作用下圆柱形弹性储液罐的动力反应。
Based on the variational principle, the dynamic responses of flexible cylindrical liquid storage tanks, excited seismically have been analyzed by the finite element method.
研究了储罐在竖向和水平地震分量同时作用下的地震响应。
Study on tank excitated by vertical and horizontal seismic elements is carried out in this paper.
但在裂隙水压力和水平地震力联合作用下，大佛陡崖不能保持稳定。
However, When horizontal seism-force and hydro-static pressure are coupled, the Buddha slope can hardly keep stable.
但在裂隙水压力和水平地震力联合作用下，大佛陡崖不能保持稳定。
However, When horizontal seism-force and hydro-static pressure are coupled, the Buddha slope can hardly keep stable.
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